Introduction to HTML/CSS
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that is chất lượng (e.g., "header", "footer". Assign a common classname to lớn sections (non-unique) that mô tả the same style (e.g., "entry", "side-note"). Write the CSS id-selectors & class-selectors (e.g., #header tag-name,... #footer tag-name,... #menu tag-name,...) for common tags (such as h1, h2, h3, p, a:link, a:visited, a:hover, a:active), in each of the
"s. Basically, what I am saying is khổng lồ design each of the sections by itself - a "divide & conquer" strategy.Create sub-classes for common styles, such as layout out tables và images and special effects (e.g., ".highlight", ".underline", ".center"). They could be used in
& .There are many good and miễn phí CSS templates (or web templates) available online (just google "CSS Templates" or "Web templates"). Pick one that meets your taste to model after. You can also look at the CSS of any trang web that you find interesting. Be aware of the Intellectual Property Right, bởi not use any images or graphics unless they are in the public domain. It is extremely easy lớn create one yourself with an imaging tool, such as PhotoShop, Element, Illustrator or even Paint.Use a CSS framework, such as BootStrap; và pick your favorite design from the samples.Write your HTML pages. You may need khổng lồ modify the CSS as you go along. The most challenging thing for an OMO web tác giả is that he has khổng lồ be concerned about both the contents và appearances at the same time, & can thua thảm focus at times!Repeat the previous steps until you are happy with your page"s look and feel, layout, & most importantly, the contents - try not to lớn create yet another insignificant website.
I wrote the above many years ago while creating these web pages (You can kiểm tra out my CSS). Today, I would recommend that you learn the basics of HTML/CSS, but quickly jump into a framework such as BootStrap khổng lồ produce professional-looking website pages. You can"t write better than these people!
Today, the prevailing specifications are HTML5 (
https://html.spec.whatwg.org/multipage/). Nonetheless, the most interesting thing about standards is that nobody really follows them strictly. Every browser (Chrome, Firefox, Opera, Safari & Internet Explorer) has its own variations and tư vấn the standards lớn various extents (so as khổng lồ out-do others).
HTML uses markup tags, such as (for Paragraph), khổng lồ (for Heading cấp độ 1 to 6), (for Image), (for Anchor or Hyperlink), lớn markup a document. HTML markup tags perform these functions:Layout the documents, e.g.,
Nowadays, HTML should be used solely khổng lồ markup the contents, while its companion giải pháp công nghệ known as CSS (Cascading Style Sheet) be used for defining the presentation of the document, so as lớn separate the nội dung and presentation.
These are the common pitfalls in older HTML documents & you should avoid:Do not specify "appearance" properties, such as foreground và background color, text alignment, font face, phông size, border, margin và padding, in the HTML document. Use an external CSS instead to lớn set the appearance và presentation. Presentation-related tags (such as , ) và attributes (such as align, bgcolor, link, vlink, alink) have been deprecated in HTML 4, in favor of CSS.Do not use nested tables or frame for formatting the document, use
& , or HTML5 new tags such as , , and .HTML Authoring Tools
HTML documents can be created by a wide range of tools, from simple plain-text editors (not recommended), source-code editor (e.g., VS Code, Sublime Text, Notepad++), programming IDE (e.g., Eclipse, NetBeans) lớn sophisticated WYSIWYG (What You See Is What You Get) editors (e.g., Dreamweaver).
HTML By Examples
Let"s go thru some HTML examples and the syntaxes. Do not attempt lớn start designing your website until you understand the CSS.Example 1: Basic Layout of an HTML Document
Let"s begin with a simple example khổng lồ illustrate the basic layout of an HTML document.
Basic HTML Document Layout My First web Page This is my first web page written in HTML.